/* PRIMARY INDEX: only carousel and grade cards; shared header/footer/navigation stay global. */
.primary-panel{background:#fff;border-radius:18px;overflow:hidden;box-shadow:0 4px 22px #082d5614;padding:0 0 30px}
.primary-heading{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:20px 24px;background:#fff}
.primary-heading h2{color:#082d56;font-weight:800;font-size:clamp(1.4rem,2.3vw,2rem);margin:0 0 4px}
.primary-heading p:not(.section-eyebrow){color:#50657a}
.primary-heading-badge{background:#fff3bf;color:#684d00;border-radius:40px;padding:8px 14px;font-weight:700;font-size:.85rem}
.primary-carousel{background:#e8f5ff}
.primary-slide-link{position:relative;display:block;text-decoration:none;overflow:hidden}
.primary-slide-img{display:block;width:100%;height:clamp(240px,34vw,475px);object-fit:cover;object-position:center}
.primary-slide-caption{position:absolute;bottom:22px;left:50%;transform:translateX(-50%);background:#0b315cE8;color:#fff;border-radius:50px;padding:9px 20px;font-weight:700;white-space:nowrap;box-shadow:0 3px 12px #0004}
.primary-carousel .carousel-control-prev,.primary-carousel .carousel-control-next{width:8%;opacity:.9}
.primary-carousel .carousel-control-prev-icon,.primary-carousel .carousel-control-next-icon{background-color:#0b315c;border-radius:50%;background-size:60%;width:38px;height:38px}
.primary-carousel .carousel-indicators{margin-bottom:8px}
.primary-carousel .carousel-indicators button{height:5px;border:0;border-radius:6px;width:30px}
.grade-grid-heading{text-align:center;font-weight:800;color:#082d56;font-size:1.3rem;margin:25px 16px 18px}
.grade-grid{display:flex;flex-wrap:wrap;justify-content:center;gap:20px;padding:0 22px}
.grade-card{position:relative;display:flex;align-items:flex-end;justify-content:center;flex:0 1 calc((100% - 40px)/3);min-width:190px;min-height:165px;aspect-ratio:1.55;background-color:#eaf4fc;background-position:center;background-size:cover;border-radius:16px;overflow:hidden;text-decoration:none;border:3px solid #fff;box-shadow:0 6px 20px #0b315c26;transition:transform .2s,box-shadow .2s}
.grade-card::before{content:"";position:absolute;inset:35% 0 0;background:linear-gradient(transparent,#09294ad9)}
.grade-card-title{position:relative;color:#fff;font-size:clamp(.92rem,1.4vw,1.2rem);font-weight:800;text-shadow:0 1px 2px #0007;padding:14px 8px;text-align:center}
.grade-number{font-size:.82rem;opacity:.9;margin-right:4px}
.grade-card:hover{transform:translateY(-4px);box-shadow:0 10px 25px #0b315c38}
.grade-card:focus-visible{outline:4px solid #ffcb32;outline-offset:3px}
.grade-card-1{background-image:url('/assets/img/primary/index_cover/slide-1.png')}
.grade-card-2{background-image:url('/assets/img/primary/index_cover/slide-2.png')}
.grade-card-3{background-image:url('/assets/img/primary/index_cover/slide-3.png')}
.grade-card-4{background-image:url('/assets/img/primary/index_cover/slide-4.png')}
.grade-card-5{background-image:url('/assets/img/primary/index_cover/slide-5.png')}
@media(max-width:900px){.grade-card{flex-basis:calc((100% - 20px)/2)}}
@media(max-width:520px){.primary-heading{padding:16px}.grade-grid{padding:0 12px;gap:12px}.grade-card{min-width:0;flex-basis:calc((100% - 12px)/2);min-height:130px}.grade-card-title{font-size:.85rem}.primary-slide-caption{font-size:.8rem;padding:7px 12px}}
@media(prefers-reduced-motion:reduce){.grade-card{transition:none}}